--- /dev/null
+// $Id$
+
+/* tab:4
+ * "Copyright (c) 2000-2003 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
+ * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ * Copyright (c) 2002-2003 Intel Corporation
+ * All rights reserved.
+ *
+ * This file is distributed under the terms in the attached INTEL-LICENSE
+ * file. If you do not find these files, copies can be found by writing to
+ * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA,
+ * 94704. Attention: Intel License Inquiry.
+ */
+/*
+ *
+ * Authors: Jason Hill, Philip Levis, Nelson Lee
+ *
+ *
+ */
+
+/**
+ * @author Jason Hill
+ * @author Philip Levis
+ * @author Nelson Lee
+ */
+
+
+#ifndef TOSH_AVRHARDWARE_H
+#define TOSH_AVRHARDWARE_H
+
+// check for a new-look avr-libc
+#if defined(DTOSTR_ALWAYS_SIGN) && !defined(TOSH_NEW_AVRLIBC)
+#define TOSH_NEW_AVRLIBC
+#endif
+
+#ifdef TOSH_NEW_AVRLIBC
+#include <avr/io.h>
+#include <avr/signal.h>
+#include <avr/interrupt.h>
+#include <avr/wdt.h>
+#include <avr/pgmspace.h>
+#include <avr/eeprom.h>
+
+#ifndef sbi
+/* avr-libc 1.2.3 doesn't include these anymore. */
+#define sbi(port, bit) ((port) |= _BV(bit))
+#define cbi(port, bit) ((port) &= ~_BV(bit))
+#define inp(port) (port)
+#define inb(port) (port)
+#define outp(value, port) ((port) = (value))
+#define outb(port, value) ((port) = (value))
+#define inw(port) (*(volatile uint16_t *)&(port))
+#define outw(port, value) ((*(volatile uint16_t *)&(port)) = (value))
+#define PRG_RDB(addr) pgm_read_byte(addr)
+#endif
+
+#else
+#include <io.h>
+#include <sig-avr.h>
+#include <interrupt.h>
+#include <wdt.h>
+#include <pgmspace.h>
+#endif /* TOSH_NEW_AVRLIBC */
+
+// check for version 3.3 of GNU gcc or later
+#if ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3))
+#define __outw(val, port) outw(port, val);
+#endif
+
+#ifndef __inw
+#ifndef __SFR_OFFSET
+#define __SFR_OFFSET 0
+#endif /* !__SFR_OFFSET */
+#define __inw(_port) inw(_port)
+
+#define __inw_atomic(__sfrport) ({ \
+ uint16_t __t; \
+ bool bStatus; \
+ bStatus = bit_is_set(SREG,7); \
+ cli(); \
+ __t = inw(__sfrport); \
+ if (bStatus) sei(); \
+ __t; \
+ })
+
+#endif /* __inw */
+
+#define TOSH_ASSIGN_PIN(name, port, bit) \
+static inline void TOSH_SET_##name##_PIN() {sbi(PORT##port , bit);} \
+static inline void TOSH_CLR_##name##_PIN() {cbi(PORT##port , bit);} \
+static inline int TOSH_READ_##name##_PIN() \
+ {return (inp(PIN##port) & (1 << bit)) != 0;} \
+static inline void TOSH_MAKE_##name##_OUTPUT() {sbi(DDR##port , bit);} \
+static inline void TOSH_MAKE_##name##_INPUT() {cbi(DDR##port , bit);}
+
+#define TOSH_ASSIGN_OUTPUT_ONLY_PIN(name, port, bit) \
+static inline void TOSH_SET_##name##_PIN() {sbi(PORT##port , bit);} \
+static inline void TOSH_CLR_##name##_PIN() {cbi(PORT##port , bit);} \
+static inline void TOSH_MAKE_##name##_OUTPUT() {;}
+
+#define TOSH_ALIAS_OUTPUT_ONLY_PIN(alias, connector)\
+static inline void TOSH_SET_##alias##_PIN() {TOSH_SET_##connector##_PIN();} \
+static inline void TOSH_CLR_##alias##_PIN() {TOSH_CLR_##connector##_PIN();} \
+static inline void TOSH_MAKE_##alias##_OUTPUT() {} \
+
+#define TOSH_ALIAS_PIN(alias, connector) \
+static inline void TOSH_SET_##alias##_PIN() {TOSH_SET_##connector##_PIN();} \
+static inline void TOSH_CLR_##alias##_PIN() {TOSH_CLR_##connector##_PIN();} \
+static inline char TOSH_READ_##alias##_PIN() {return TOSH_READ_##connector##_PIN();} \
+static inline void TOSH_MAKE_##alias##_OUTPUT() {TOSH_MAKE_##connector##_OUTPUT();} \
+static inline void TOSH_MAKE_##alias##_INPUT() {TOSH_MAKE_##connector##_INPUT();}
+
+// We need slightly different defs than SIGNAL, INTERRUPT
+#define TOSH_SIGNAL(signame) \
+void signame() __attribute__ ((signal, spontaneous, C))
+
+#define TOSH_INTERRUPT(signame) \
+void signame() __attribute__ ((interrupt, spontaneous, C))
+
+/* Watchdog Prescaler
+ */
+enum {
+ TOSH_period16 = 0x00, // 47ms
+ TOSH_period32 = 0x01, // 94ms
+ TOSH_period64 = 0x02, // 0.19s
+ TOSH_period128 = 0x03, // 0.38s
+ TOSH_period256 = 0x04, // 0.75s
+ TOSH_period512 = 0x05, // 1.5s
+ TOSH_period1024 = 0x06, // 3.0s
+ TOSH_period2048 = 0x07 // 6.0s
+};
+
+void TOSH_wait()
+{
+ asm volatile("nop");
+ asm volatile("nop");
+}
+
+// atomic statement runtime support
+
+/* typedef uint8_t __nesc_atomic_t; */
+
+/* __nesc_atomic_t __nesc_atomic_start(void); */
+/* void __nesc_atomic_end(__nesc_atomic_t oldSreg); */
+
+/* #ifndef NESC_BUILD_BINARY */
+
+/* inline __nesc_atomic_t __nesc_atomic_start(void) __attribute__((spontaneous)) */
+/* { */
+/* __nesc_atomic_t result = inp(SREG); */
+/* cli(); */
+/* return result; */
+/* } */
+
+/* inline void __nesc_atomic_end(__nesc_atomic_t oldSreg) __attribute__((spontaneous)) */
+/* { */
+/* outp(oldSreg, SREG); */
+/* } */
+
+/* #endif */
+
+/* inline void __nesc_atomic_sleep() */
+/* { */
+/* /\* Atomically enable interrupts and sleep *\/ */
+/* sei(); // Make sure interrupts are on, so we can wake up! */
+/* asm volatile ("sleep"); */
+/* TOSH_wait(); */
+/* } */
+
+
+/* inline void __nesc_enable_interrupt() { */
+/* sei(); */
+/* } */
+
+/* inline void __nesc_disable_interrupt() { */
+/* cli(); */
+/* } */
+
+#endif //TOSH_AVRHARDWARE_H
projects / tinyos-2.x.git / blobdiff